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devs-webadmin - Web Admin UI

A web-based admin interface for managing devcontainers on a server. Provides the same core functionality as the devs CLI but accessible from a browser -- useful for headless servers, remote machines, or when you want a visual overview of running containers.

Features

  • Container Management: Start, stop, and clean up devcontainers from a web UI
  • Repository-Based: Enter any GitHub org/repo to start containers (uses RepoCache, no local checkout needed)
  • All Containers View: See all devs-managed containers across all projects at a glance
  • VS Code Tunnels: Start, stop, and authenticate tunnels directly from the browser
  • Tunnel Auth via Device Flow: GitHub device code flow for tunnel authentication without needing a terminal

Installation

# From the monorepo root
pip install -e packages/webadmin/

# Or when published
pip install devs-webadmin

Quick Start

# Start the web admin server
devs-webadmin serve

# Open http://localhost:8080 in your browser

Usage

Starting the Server

# Default: 0.0.0.0:8080
devs-webadmin serve

# Custom host/port
devs-webadmin serve --host 127.0.0.1 --port 3000

# Development mode with auto-reload
devs-webadmin serve --reload

Web UI

The UI has two main sections:

Start Container Form -- Enter a GitHub repository (e.g. ideonate/devs) and a dev name (e.g. sally), then click Start. The repo is cloned/updated via the shared repo cache at ~/.devs/repocache/.

Container List -- Shows all devs-managed containers with:

  • Status (running/exited) with color indicators
  • Project name, mode (copy/live), creation time
  • Stop (preserves container state) and Clean (removes container + workspace) buttons
  • Tunnel controls for running containers

Tunnel Controls

Each running container shows a tunnel panel:

  • Start tunnel -- Launches a VS Code tunnel in the container. Once running, shows an "Open in browser" link to vscode.dev.
  • Kill tunnel -- Stops a running tunnel.
  • Auth -- Opens a modal with the GitHub device flow. A device code is displayed along with a link to github.com/login/device. Complete the login in your browser and the modal updates automatically when authentication succeeds. Auth persists across container stop/restart cycles.

Configuration

Environment Variables

Variable Default Description
WEBADMIN_HOST 0.0.0.0 Server bind address
WEBADMIN_PORT 8080 Server port
DEVS_WORKSPACES_DIR ~/.devs/workspaces Workspace directory
DEVS_REPO_CACHE_DIR ~/.devs/repocache Repository cache directory
DEVS_CLAUDE_CONFIG_DIR ~/.devs/claudeconfig Claude config directory
DEVS_CODEX_CONFIG_DIR ~/.devs/codexconfig Codex config directory
GH_TOKEN / GITHUB_TOKEN (none) GitHub token for private repos

Shared Directories

The webadmin shares the same directories as the CLI and webhook:

  • ~/.devs/repocache/ -- Cached repository clones
  • ~/.devs/workspaces/ -- Workspace copies for containers
  • ~/.devs/claudeconfig/ -- Claude authentication

Architecture

Backend

  • FastAPI + Uvicorn (same stack as the webhook package)
  • Uses devs-common for all container/workspace/repo operations
  • Synchronous common library calls wrapped with asyncio.to_thread
  • Stop/clean operations work by Docker container name (no repo cloning needed)

Frontend

  • Vue 3 loaded from CDN (no build step, no npm required)
  • Single index.html served as a static file from the Python package
  • Self-contained -- ships inside the pip package with no external build process

API Endpoints

Method Path Description
GET /api/containers List all containers (optional ?repo=org/repo filter)
POST /api/start Start container { repo, dev_name }
POST /api/stop Stop container { container_name }
POST /api/clean Remove container + workspace { container_name }
GET /api/tunnel/status Tunnel status ?container_name=X
POST /api/tunnel/start Start tunnel { container_name }
POST /api/tunnel/kill Kill tunnel { container_name }
POST /api/tunnel/auth Start device flow auth { container_name }
GET /api/tunnel/auth/status Poll auth completion ?container_name=X

Requirements

  • Python 3.8+
  • Docker running and accessible
  • DevContainer CLI: npm install -g @devcontainers/cli
  • devs-common package (installed automatically as a dependency)

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